The AIRCAT 3/8” Mini Palm Butterfly Impact Wrench, No. 1320, provides 80 ft-lbs of torque at a free speed of 10,000 rpm. The 5.4", 1.1-lb tool can be used around radiators and other restricted work areas. The impact features a three-position, built-in power management switch, a swivel air inlet to increase maneuverability, and a double-hammer mechanism to reduce vibration.